parser: add order by clause in group_concat (#813)#849

Merged

kennytm merged 1 commit intopingcap:release-4.0from SunRunAway:release-4.0-issue6838

May 7, 2020

+30-3

Commits on May 7, 2020

parser: add order by clause in group_concat (pingcap#813 )
SunRunAway
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